We pass an officer who looks about to lose his breakfast. He doesn’t look like someone new in post, which means whatever’s in that warehouse, he hasn’t seen anything like it before.

Someone is trying to get Cadence Hart’s attention.

A man has been found dead, victim of what looks like a ritualistic murder. The killer has left Cadence’s collar number at the crime scene, painted on the wall in blood. But if someone is trying to leave her a message, Cadence isn’t sure what it is. She has no idea who the victim is, or why someone would want to draw her attention to him.

But one thing is clear – a human is responsible, not a Demon or a Soul. As the investigation develops, Cadence finds herself drawn in to the twisted world of the killer – a killer she has more in common with than she might think…